CN201214270Y

CN201214270Y - Slab automatic cutter

Info

Publication number: CN201214270Y
Application number: CNU2008201146477U
Authority: CN
Inventors: 张越强
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-05-07
Filing date: 2008-05-07
Publication date: 2009-04-01
Anticipated expiration: 2018-05-07

Abstract

The utility model discloses a slab automatic cutting machine, which comprises a motor and a housing, wherein, a transmission device, a detection device, a cutting device, a control device, a transition device and a slab receiving device are arranged inside the housing; the transmission device consists of an upper transmission part and a lower transmission part and is arranged at the upper and the middle parts of the machine body; the detection device is arranged at the middle part of the machine body and below the upper transmission part; the cutting device consists of a linkage driving mechanism and a cutting mechanism, and is arranged behind a transmission roller of the lower transmission part; the control device consists of a photo-electric sensor and an external connector that is connected with the photo-electric sensor through a control circuit, and the photo-electric sensor is mounted on the housing and is arranged above the upper transmission part; the transition device is an iron sheet that is provided with T-shaped holes and photo-electric sensor detection holes, and is arranged at the middle part of the machine body; the slab receiving device is arranged at the rear part of the machine body. As the follow-up device of the wood rotation cutting device, the cutting machine can cut the slab that is cut in a rotation way into a given length automatically, thereby resolving the technical problems of the prior art that the cutting labor intensity is high and the cutting speed is low.

Description

The slab automatic cutting machines

Technical field the utility model belongs to round log system skin equipment technical field, is specifically related to a kind of slab automatic cutting machines.

Background technology is present, in the sheet material industry production process, the round log slab that rotary-cut is come out on peeler is by manpower it to be rolled into bundle, and then it is transferred to another position, satisfies the needs of producing glued board by manually it being cut into certain length again.

The summary of the invention the purpose of this utility model provides a kind of slab automatic cutting machines, to solve the artificial cutting labour intensity of prior art height, the slow-footed technical problem of cutting.

To achieve these goals, the utility model slab automatic cutting machines comprises motor and casing, is provided with transmission device, checkout gear, shear and control device in the casing, and its main points are also to be provided with transition apparatus and to connect instrument; Transmission device is made of upper and lower running part, is positioned at last, the middle part of body; Checkout gear be positioned at the middle part of body and last running part below; Shear is made up of bar-link drive and cutting mechanism, is positioned at the back of the live-roller of underdrive part; Control device is made of by the external device that control circuit is connected with it photoelectric sensor, and photoelectric sensor is installed on the casing, be positioned at running part above; Transition apparatus is an iron sheet that is provided with T type hole and photoelectric sensor detection hole, is positioned at the middle part of body; Connect the rear portion that instrument is positioned at body.

The said running part of going up is made up of two live-rollers and a hold-down roller and the driving-belt that is evenly distributed on it; Two live-rollers and hold-down roller are oblique triangle arrangement, wherein are positioned at the live-roller and the hold-down roller of front part of a body, tilting upper and lower arrangement; Be positioned at a live-roller of After-Body, on the bed plate of cutting mechanism, the rear portion is near the upper cutter of cutting mechanism, and this live-roller height is transferred, and the two ends of described live-roller and hold-down roller are fixed on above the casing by bearing and bearing block respectively.

Said underdrive partly by two live-rollers and the driving-belt that evenly distributes on it form, the two ends of live-roller are fixed on above the casing by bearing block; Anterior live-roller places the casing outside, is installed on the channel-section steel that is welded as a whole with casing; The live-roller at rear portion and the bed plate of cutting mechanism are with high, and the bed plate frame of close cutting mechanism is installed, and establish a depression in the middle of this live-roller, and the depression position is provided with to support bed plate knife rest and the support belt iron that compresses channel-section steel, helps the stable of bed plate knife rest like this; The power transmission shaft of live-roller is provided with belt pulley and is connected with belt pulley on being located at the bottom of shell motor by driving-belt.

The other end on the power transmission shaft of said underdrive part live-roller is provided with the travelling gear engagement that the power transmission shaft of travelling gear and last running part live-roller is provided with.

The driving-belt of said upper and lower running part is that setting is arranged in alignment.

It is made up of said checkout gear the live-roller of described underdrive part and the encoder that is installed in above it, encoder by shaft joint be connected underdrive part live-roller above; Set the length of slab by the calculating number of turns that live-roller rotated.

Said bar-link drive is by connecting rod rest, cylinder, connecting rod, connection rod sphere, the cylinder bulb, cylinder supports axle and spring are formed, connecting rod rest be by perch by bearing and bearing block be fixed on the casing bottom and and two connecting rod longitudinal rods and the rectangular frame that the connecting rod transverse bar is welded, a cylinder has respectively been installed by the cylinder bulb in two ends at the rear portion of connecting rod rest, the other end of cylinder is connected on the cylinder supports axle that is welded on above the casing by the cylinder bulb, one end of connecting rod is fastened on the both sides, rear end of connecting rod rest by connection rod sphere, the other end is fastened on the both sides of upper cutter knife rest with connection rod sphere, said cylinder supports axle is to be made of the bearing pin that a root bead is connected on the casing, it mainly acts on is exactly fixing cylinder, one end of said spring is installed on the connecting rod rest, the other end is installed on the casing, its effect helps alleviating the cylinder load, raising speed, increase the cylinder life-span, said cylinder, connecting rod and spring are parallel to each other and perpendicular to bottom of shell.

Said cutting mechanism is by upper cutter, the upper cutter knife rest, upper cutter knife rest slideway, the bed plate knife rest is formed, upper cutter knife rest slideway is installed in bed plate knife rest rear portion, be close to the bed plate knife rest, be fixed on the casing by screw, the upper cutter knife rest can slide up and down in upper cutter knife rest slideway like this, angled with bed plate, make bed plate and upper cutter be the scissors type, help shearing slab, said bed plate knife rest is that its two ends are welded on the channel-section steel above the casing, said upper cutter knife rest is the channel-section steel that two ends are welded with flat key, and upper cutter is fixed on the upper cutter knife rest by fixed screw, is provided with the jackscrew that can adjust the upper cutter angle in upper cutter knife rest bottom.

Said photoelectric sensor is programmable controller PLC with its external device that is connected by control circuit, PLC respectively by control circuit and touch-screen, control button, on put in place near switch, put in place near switch, frequency converter down and the air-operated solenoid valve on being installed in cylinder is connected, said frequency converter is connected with motor by control circuit, and said encoder is connected with PLC by control circuit.

One end of said transition apparatus iron sheet is fixed on and compresses on the channel-section steel, and the other end is overlapped on above the bed plate, and the T type hole that iron sheet is provided with is above play and passed belt and make the unswerving effect of belt; The photoelectric sensor that iron sheet is provided with above detects the hole and its objective is passing through for photoelectric sensor detection slab, the said two ends that compress channel-section steel are welded on the middle part of casing, between hold-down roller and underdrive belt, its height and bed plate knife face are with high, and it mainly acts on is can clamp slab when hold-down roller in the process that presses down; This transition apparatus can make the thin plate skin smoothly by bed plate, has avoided the phenomenon of thin plate skin plug between bed plate and lower driving roller.

The said instrument that connects is by two live-rollers, the live-roller support, be evenly distributed on the belt on the live-roller, be installed in the sprocket wheel on the live-roller, power transmission shaft, drive shaft mount and be installed in belt pulley on the power transmission shaft, sprocket wheel and chain are formed, said drive shaft mount is arranged on a side of casing, back near the bed plate cutter head, its height is identical with the motor pulley height, power transmission shaft is installed on the drive shaft mount by bearing and bearing block, said belt pulley is installed between the rigid bearing, said sprocket wheel is installed in the power transmission shaft inboard, its position and live-roller are point-blank, the live-roller sprocket wheel is connected by chain with the power transmission shaft sprocket wheel, and the belt pulley on the said motor is connected by the V-belt with belt pulley on the power transmission shaft; Said two live-rollers, one is the rear portion that live-roller that sprocket wheel is installed is arranged on the bed plate knife rest, the bottom near the bed plate knife rest is fixed on the live-roller support by bearing and bearing block; Another live-roller is installed in the other end of live-roller support by bearing and bearing block, and the live-roller support is fixed on the fixedly channel-section steel that is positioned at bottom behind the bed plate.

The utility model is as the follow-up equipment of timber rotating-cutting equipment, and the slab that rotary-cut can be come out is cut into fixed length automatically, has solved the artificial cutting labour intensity of prior art height, the slow-footed technical problem of cutting.

Description of drawings Fig. 1, the utility model structural representation front view;

Fig. 2, be the utility model structural representation rearview;

Fig. 3, be the utility model structural representation vertical view;

Fig. 4, be the utility model transition apparatus iron sheet structure schematic diagram;

Fig. 5, be among Fig. 1 A-A to structural representation;

Fig. 6, be the utility model structural representation backsight cutaway view;

Fig. 7, be the utility model structural representation backsight cutaway view;

Fig. 8, be the utility model control principle calcspar;

Among the figure 1, casing; 2, bearing block; 3, belt pulley; 4, driving-belt; 5, belt pulley; 6, motor; 7, perch; 8, cylinder; 9, compression axis; 10, bearing block; 11, iron sheet; 12, encoder; 13, lower driving roller gear; 14, go up the live-roller gear; 15, underdrive band; 16, go up driving-belt; 17, go up live-roller; 18, lower driving roller; 19, upper cutter knife rest slideway; 20, upper cutter knife rest; 21, connection rod sphere; 22, upper cutter; 23, connecting rod; 24, bed plate; 25, bed plate knife rest; 26, connecting rod longitudinal rod; 27, connecting rod transverse bar; 28, cylinder bulb; 29, motor base; 30, fixed screw; 31, adjust the jackscrew of upper cutter; 32, photoelectric sensor; 33, touch-screen; 34, Programmable Logic Controller PLC; 35, frequency converter; 36, air-operated solenoid valve; 37, power transmission shaft; 38, power transmission shaft V-belt; 39, back live-roller; 40, frame kerve steel; 41, power transmission shaft sprocket wheel; 42, power transmission shaft belt pulley; 43, power transmission shaft support; 44, back live-roller support; 45, upper cutter knife rest slideway fixed screw; 46, put in place near switch; 47, put in place near switch down; 48, compress channel-section steel; 49, bearing block; 50, spring; 51, cylinder supports axle; 52, back live-roller sprocket wheel; 53, upper cutter knife rest slideway bearing; 54, back live-roller chain; 55, bearing block; 56, back live-roller belt; 57, put in place near switch bracket; 58, put in place near the inductive switching plate; 59 put in place near the inductive switching board mount.

The specific embodiment is with reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7 and Fig. 8, and the utility model comprises motor 6 and casing 1, is provided with transmission device, checkout gear, shear, control device, transition apparatus in the casing 1 and connects instrument; Transmission device is made of upper and lower running part, is positioned at last, the middle part of body; Checkout gear be positioned at the middle part of body and last running part below; Control device is made of by the external device that control circuit is connected with it photoelectric sensor, and photoelectric sensor is installed on the casing, be positioned at running part above; Transition apparatus is an iron sheet that is provided with T type hole and photoelectric sensor detection hole, is positioned at the middle part of body; Connect the rear portion that instrument is positioned at body.Last running part is by two live-rollers 17, hold-down roller 9 and the driving-belt 16 that evenly distributes on it are formed, two live-rollers 17 and hold-down roller 9 are oblique triangle arrangement, be positioned at front part of a body have a roller and hold-down roller tilting on, the following arrangement, be positioned at a roller of After-Body, on the bed plate 24 of cutting mechanism, the rear portion is near the upper cutter 22 of cutting mechanism, the two ends of live-roller 17 and hold-down roller 9 by bearing and bearing block 2 be fixed on casing 1 above, the plate that a top roller can effectively raise up bending is paved, make the belt of running part and underdrive part clamp slab by the distance of regulating hold-down roller 9 and compress between the channel-section steel 48, slab can not be skidded between last running part and underdrive part, the driving-belt 15 of the driving-belt 16 of last running part and underdrive part over against, like this regulate hold-down roller 9 and compress between the channel-section steel 48 apart from the time, the driving-belt 15 of the driving-belt 16 of running part and underdrive part is clutched slab, slab can not be skidded on driving-belt, counting is very accurate like this, the slab width unanimity of shearing, that roller 17 of back can make slab pass from upper cutter 22 bottoms, its power is the lower driving roller gear 13 and last live-roller gear 14 engagements by the underdrive part, transmission by lower transmission system, itself and underdrive are partly rotated in opposite directions, underdrive partly by two live-rollers 18 and the driving-belt 15 that evenly distributes on it form, the two ends of live-roller 18 are fixed on above the casing 1 by bearing and bearing block 2, anterior live-roller places casing 1 outside, be installed on the channel-section steel that is welded as a whole with casing 1, the live-roller at rear portion and the bed plate of cutting mechanism 24 are with high, bed plate knife rest 25 near cutting mechanism is installed, and the power transmission shaft of live-roller 18 is provided with belt pulley 3 and is connected with belt pulley 5 on being located at casing 1 bottom motors 6 by driving-belt 4; Shear is made up of bar-link drive and cutting mechanism, be positioned at the back of the live-roller 18 of underdrive part casing 1, bar-link drive is by connecting rod rest, cylinder 8, connecting rod 23 and connection rod sphere 21, cylinder bulb 28, cylinder supports axle 51 and spring 50 are formed, connecting rod rest be by perch 7 by bearing and bearing block 10 be fixed on casing 1 bottom and and two connecting rod longitudinal rods 26 and the rectangular frame that connecting rod transverse bar 27 is welded, a cylinder 8 has respectively been installed by cylinder bulb 28 in two ends at the postmedian of connecting rod rest, the other end of cylinder 8 is connected on the cylinder supports axle 51 that is welded on above the casing 1 by cylinder bulb 28, one end of connecting rod 23 is fastened on the both sides, rear end of connecting rod rest by connection rod sphere 21, the other end is fastened on the both sides of upper cutter knife rest 20 with connection rod sphere 21, cylinder supports axle 51 is that a root bead is connected on the bearing pin on the casing 1, it mainly acts on is exactly fixing cylinder 8, one end of spring 50 is installed on the connecting rod rest, the other end is installed on the casing 1, its effect helps alleviating the load of cylinder 8, raising speed, increase the life-span of cylinder 8, cylinder 8, connecting rod 23 and spring 50 are parallel to each other and perpendicular to casing 1 bottom; Cutting mechanism is by upper cutter 22, upper cutter knife rest 20, upper cutter knife rest slideway 19, bed plate knife rest 25 is formed, upper cutter knife rest slideway 19 is installed in bed plate knife rest 25 rear portions, nestle up bed plate knife rest 25, be fixed on above the casing 1 by screw, upper cutter knife rest 20 can slide up and down in upper cutter knife rest slideway 19 like this, angled with bed plate 24, make bed plate 24 and upper cutter 22 be the scissors type, help shearing slab, bed plate knife rest 25 is that its two ends are welded on the channel-section steel above the casing 1, upper cutter knife rest 25 is channel-section steels that two ends are welded with flat key, upper cutter 22 is fixed on the upper cutter knife rest 20 by fixed screw 30, the jackscrew 31 that can adjust upper cutter 22 angles is arranged in the bottom of upper cutter knife rest 20, when cylinder 8 moves up and down, connecting rod rest drivening rod 23 moves up and down, connecting rod 23 drives upper cutter knife rest 20 again and moves up and down for 19 li at upper cutter knife rest slideway, adjust the gap of upper cutter 22 and bed plate 24, make upper cutter 22 and bed plate 24 become a shear, on, the cutter of following motion can be cut off slab; With reference to Fig. 8, photoelectric sensor 32 is programmable controller PLC34 with its external device that is connected by control circuit, PLC24 respectively by control circuit and touch-screen 33, control button, on put in place near switch 46, put in place near switch 47, frequency converter 35 down and the air-operated solenoid valve 36 on being installed in cylinder 8 is connected, frequency converter 35 is connected with motor 6 by control circuit, and the encoder 12 on the power transmission shaft 18 of underdrive part is connected with PLC34 by control circuit; Be installed on the casing 1 with reference to Fig. 2 photoelectric sensor 32, be positioned at running part above, on put in place near switch 46, putting in place down is installed in above the frame kerve steel 40 at casing 1 rear portion near switch 47, be installed on the connecting rod transverse bar 27 near inductive switching board mount 59, vertical with the connecting rod transverse bar, and, be installed near on the inductive switching board mount 59 near inductive switching plate 58, and press close near switch bracket 57 near near switch bracket 57; With reference to Fig. 3 and Fig. 4, by iron sheet 11 and equally distributed T type hole constitutes on iron sheet transition apparatus, be positioned at the top of casing lower driving roller 18 and underdrive band 15 below, be fixed on and compress on the channel-section steel 48; With reference to Fig. 8, by being installed in the checkout gear that the encoder 12 on the underdrive part live-roller is formed in the casing 1, encoder 12 is connected an end of underdrive part power transmission shaft 18 in the casing 1 by shaft joint; The rotation of underdrive part live-roller 18 drives the axle rotation of rotary encoder 12 in the casing 1, encoder 12 revolutions move a week, can send hundreds of to several ten thousand pulses, the quantity of pulse can be decided according to slab cutting required precision, and the pulse signal that encoder 12 sends can be input among the programmable controller PLC34; With reference to Fig. 2, Fig. 3, Fig. 5, Fig. 6, connecing instrument is by two live-rollers 39, live-roller support 44, be evenly distributed on the belt 45 on the live-roller, be installed in the sprocket wheel 52 on the live-roller, power transmission shaft 37, drive shaft mount 43, be installed in the belt pulley 42 on the power transmission shaft, sprocket wheel 41 and chain 54 are formed, drive shaft mount 43 is the supports that are welded on the casing 1 that motor 6 one sides are installed, its position is in a side of casing 1, back near bed plate 24 cutter heads, its height is identical with the motor pulley height, power transmission shaft 37 is installed on the power transmission shaft support 44 by bearing and bearing block 55, belt pulley 42 is mounted on the power transmission shaft 37, the position is between rigid bearing 55, sprocket wheel 41 is mounted in power transmission shaft 37 inboards, its position be live-roller 39 and sprocket wheel 41 point-blank, live-roller sprocket wheel 52 is connected by chain 54 with power transmission shaft sprocket wheel 41, and belt pulley on the belt pulley 5 on the motor 6 and the power transmission shaft 37 42 is connected by the V-belt; 39, one live-rollers that sprocket wheel is installed of two live-rollers are arranged on bed plate knife rest 25 rear portions, and the bottom near bed plate knife rest 25 is fixed on the live-roller support 44 by bearing and bearing block 55; Another live-roller is installed in the other end of live-roller support 44 by bearing and bearing block 55, and live-roller support 44 is fixed on the fixedly channel-section steel that is positioned at bottom, bed plate 24 back, with reference to Fig. 6.

Operation principle of the present utility model: when the slab one that cuts out when peeler enters into underdrive mechanism, underdrive band 15 drives it and enters into, between the underdrive mechanism, continuation is imported into to cutting knife 22 directions, when below slab walks to photoelectric sensor 32, PLC34 begins the pulse signal of rotary encoder 12 inputs is counted, when slab enters between upper cutter 22 and the bed plate 24, carry out once flush shearing by PLC34 earlier according to program, according to the number of pulses that sets afterwards slab being carried out measured length then shears, the pulse that receives as PLC34 is when setting pulse and equate, send a signal earlier, make frequency converter 35 brakes, 6 moments of motor stop, PLC34 drives magnetic valve 35 control cylinders 8 pulling upper cutters 22 and cuts off slab rapidly simultaneously, when upper cutter 22 clips to down when putting in place near switch 47, the PLC34 counter resets, and send a pulse signal, the magnetic valve 36 control cylinder 8 pulling upper cutters 22 that reset are moved upward, when on when putting in place near switch 46 conductings, motor 6 restarts to rotate, encoder 34 rotates and begins counting, carry out operation next time, work so repeatedly, can adjust the shearing width of slab by touch-screen 33 at any time.

Claims

1, a kind of slab automatic cutting machines comprises motor and casing, is provided with transmission device, checkout gear, shear and control device in the casing, it is characterized in that also being provided with transition apparatus and connects instrument; Transmission device is made of upper and lower running part, is positioned at last, the middle part of body; Checkout gear be positioned at the middle part of body and last running part below; Shear is made up of bar-link drive and cutting mechanism, is positioned at the back of the live-roller of underdrive part; Control device is made of by the external device that control circuit is connected with it photoelectric sensor, and photoelectric sensor is installed on the casing, be positioned at running part above; Transition apparatus is an iron sheet that is provided with T type hole and photoelectric sensor detection hole, is positioned at the middle part of body; Connect the rear portion that instrument is positioned at body.

2, slab automatic cutting machines according to claim 1 is characterized in that the said running part of going up is made up of two live-rollers and a hold-down roller and the driving-belt that is evenly distributed on it; Two live-rollers and hold-down roller are oblique triangle arrangement, wherein are positioned at the live-roller and the hold-down roller of front part of a body, tilting upper and lower arrangement; Be positioned at a live-roller of After-Body, on the bed plate of cutting mechanism, the rear portion is near the upper cutter of cutting mechanism, and the two ends of described live-roller and hold-down roller are fixed on above the casing by bearing and bearing block respectively.

3, slab automatic cutting machines according to claim 1, it is characterized in that said underdrive partly by two live-rollers and the driving-belt that evenly distributes on it form, the two ends of live-roller are fixed on above the casing by bearing block; Anterior live-roller places the casing outside, is installed on the channel-section steel that is welded as a whole with casing; The live-roller at rear portion and the bed plate of cutting mechanism are installed near the bed plate frame of cutting mechanism with high; The power transmission shaft of live-roller is provided with belt pulley and is connected with belt pulley on being located at the bottom of shell motor by driving-belt.

4, slab automatic cutting machines according to claim 1 is characterized in that the other end on the power transmission shaft of said underdrive part live-roller is provided with the travelling gear engagement that the power transmission shaft of travelling gear and last running part live-roller is provided with.

5, slab automatic cutting machines according to claim 1, the driving-belt that it is characterized in that said upper and lower running part are that setting is arranged in alignment.

6, slab automatic cutting machines according to claim 1 is characterized in that said checkout gear is made up of the live-roller of described underdrive part and the encoder that is installed in above it, encoder by shaft joint be connected underdrive part live-roller above.

7, slab automatic cutting machines according to claim 1, it is characterized in that said bar-link drive is by connecting rod rest, cylinder, connecting rod, connection rod sphere, the cylinder bulb, cylinder supports axle and spring are formed, connecting rod rest be by perch by bearing and bearing block be fixed on the casing bottom and and two connecting rod longitudinal rods and the rectangular frame that the connecting rod transverse bar is welded, a cylinder has respectively been installed by the cylinder bulb in two ends at the rear portion of connecting rod rest, the other end of cylinder is connected on the cylinder supports axle that is welded on above the casing by the cylinder bulb, one end of connecting rod is fastened on the both sides, rear end of connecting rod rest by connection rod sphere, the other end is fastened on the both sides of upper cutter knife rest with connection rod sphere, said cylinder supports axle is to be made of the bearing pin that a root bead is connected on the casing, one end of said spring is installed on the connecting rod rest, the other end is installed on the casing, said cylinder, connecting rod and spring are parallel to each other and perpendicular to bottom of shell.

8, slab automatic cutting machines according to claim 1, it is characterized in that said cutting mechanism is made up of upper cutter, upper cutter knife rest, upper cutter knife rest slideway, bed plate knife rest, upper cutter knife rest slideway is installed in bed plate knife rest rear portion, be close to the bed plate knife rest, be fixed on the casing by screw, said bed plate knife rest is that its two ends are welded on the channel-section steel above the casing, said upper cutter knife rest is the channel-section steel that two ends are welded with flat key, upper cutter is fixed on the upper cutter knife rest by fixed screw, is provided with the jackscrew that can adjust the upper cutter angle in upper cutter knife rest bottom.

9, slab automatic cutting machines according to claim 1, it is characterized in that said photoelectric sensor is programmable controller PLC with its external device that is connected by control circuit, PLC respectively by control circuit and touch-screen, control button, on put in place near switch, put in place near switch, frequency converter down and the air-operated solenoid valve on being installed in cylinder is connected, said frequency converter is connected with motor by control circuit, and said encoder is connected with PLC by control circuit.

10, slab automatic cutting machines according to claim 1, an end that it is characterized in that said transition apparatus iron sheet is fixed on and compresses on the channel-section steel, and the other end is overlapped on above the bed plate; The said two ends that compress channel-section steel are welded on the middle part of casing, and between hold-down roller and underdrive belt, its height and bed plate knife face are with high.

11, slab automatic cutting machines according to claim 1, it is characterized in that the said instrument that connects is by two live-rollers, the live-roller support, be evenly distributed on the belt on the live-roller, be installed in the sprocket wheel on the live-roller, power transmission shaft, drive shaft mount and be installed in belt pulley on the power transmission shaft, sprocket wheel and chain are formed, said drive shaft mount is arranged on a side of casing, back near the bed plate cutter head, its height is identical with the motor pulley height, power transmission shaft is installed on the drive shaft mount by bearing and bearing block, said belt pulley is installed between the rigid bearing, said sprocket wheel is installed in the power transmission shaft inboard, its position and live-roller are point-blank, the live-roller sprocket wheel is connected by chain with the power transmission shaft sprocket wheel, and the belt pulley on the said motor is connected by the V-belt with belt pulley on the power transmission shaft; Said two live-rollers, one is the rear portion that live-roller that sprocket wheel is installed is arranged on the bed plate knife rest, the bottom near the bed plate knife rest is fixed on the live-roller support by bearing and bearing block; Another live-roller is installed in the other end of live-roller support by bearing and bearing block, and the live-roller support is fixed on the fixedly channel-section steel that is positioned at bottom behind the bed plate.